ALA is created in the healthy body and is found in red meat, organ meats and yeast, particularly brewer’s yeast.
Brain function and stroke
ALA can easily pass into the brain and, therefore, may help protect the brain and nerve tissue. ALA is being investigated as a potential treatment for stroke and other brain problems involving free radical damage, such as dementia.
Preliminary studies suggest that ALA may help treat glaucoma, but there is not enough evidence to say for sure whether it works.
A study on ageing skin suggests that 5% lipoic acid helps to reduce fine lines from sun damage.